acknowledgment
answer
answering
antiphon
back answer
back talk
backchat
comeback
confutation
contraremonstrance
counteraccusation
counterblast
countercharge
counterclaim
counterreply
counterstatement
defense
echo
evasive reply
reaction
ready reply
rebuttal
rebutter
receipt
refutation
repartee
replication
reply
repost
rescript
rescription
respond
respondence
response
responsion
responsory
retort
return
reverberation
riposte
short answer
snappy comeback
surrebuttal
surrebutter
surrejoinder
witty reply
witty retort
pleading
assent
banter
chuckle
demeanor
directness
disapproval
dismissal
exclamation
greet
grunt
nod
rebuke
refusal
remonstrance
sarcasm
shake
shove
slap